8520265 has 16 divisors (see below), whose sum is σ = 11592000. Its totient is φ = 5959872.

The previous prime is 8520241. The next prime is 8520269. The reversal of 8520265 is 5620258.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8520265 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8520269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2215 + ... + 4684.

It is an arithmetic number, because the mean of its divisors is an integer number (724500).

Almost surely, 2^8520265 is an apocalyptic number.

It is an amenable number.

8520265 is a deficient number, since it is larger than the sum of its proper divisors (3071735).

8520265 is a wasteful number, since it uses less digits than its factorization.

8520265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6936.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 8520265 is about 2918.9492972643. The cubic root of 8520265 is about 204.2448121423.

The spelling of 8520265 in words is "eight million, five hundred twenty thousand, two hundred sixty-five".